Flowmeters for open channel & part-filled pipes

Effluent Monitoring      Waste Water Treatment      Industrial Flow Measurement      Irrigation Channels
River/Stream Flow Measurement      Water Distribution

News & Announcements

Mainstream is proud to announce the next generation ultrasonic area-velocity flowmeters

  • Portable AV-Flowmeter
  • Velocity Transmitter ** NEW
  • Flow Transmitter ** NEW
  • Compact Fixed AV-Flowmeter ** NEW
  • Premier Fixed AV-Flowmeter **NEW

The consistently superior solution to measurement in open channels and part-filled pipes!

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Welcome to Mainstream

Mainstream Measurements Ltd is a leading UK manufacturer of flowmeters for open channels and part-filled pipes. The Mainstream product range is noted for high performance, reliability and is very cost competitive.

Ideal for a wide variety of water distribution and wastewater applications, Mainstream products are available worldwide through a network of sales distributors.

For liquids from 'clean' water to raw sewage, in channels from 150mm to 3m, Mainstream flowmeters ensure accuracy, reliability and low cost of ownership


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